<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<script type="text/javascript">
			
			
			function foo(e){
				console.log(e);
				console.log(e.button);// 0  左键  1 中间滚轮个 2 右键
				console.log(e.clientX+","+e.clientY);// 页面中的坐标
			}
			
			document.onmousedown = foo;
		</script>
	</body>
</html>